Wiring LEDs into the control system/motor controllers

[FRCTeam2906]

With this year's game in mind, my team is looking at using small single LEDs to light up various components on our robot. We have had trouble running multiple functions on our Arduino at once (randomized led fading and led strip program). Since this has not been working we are looking into other methods or powering this LEDs.
With regard to rules in the past, would it be possible to wire individual LEDs to each motor controller output, with a motor attached as well? This way we should see a dimming effect when powering that motor. We are not sure if this rule (R53), or others prohibits this.
"R53 Each power regulating device may control electrical loads per Table 4-4. Unless otherwise noted, each power regulating device shall control one and only one electrical load. (2016 FRC Game Manual, firstinspires.org).

Would it make more sense to use a relay? Also, where would we find/buy a relay and what type should we purchase, if necessary?
2nd part of R53:
*Multiple low-load, pneumatic solenoid valves, electric solenoids or CUSTOM CIRCUITS may be connected to a single relay module. This would allow one (1) relay module to drive multiple pneumatic actions or multiple CUSTOM CIRCUITS. No other electrical load can be connected to a
relay module used in this manner."
(2016 FRC Game Manual, firstinspires.org).

If there are any other strategies that we should approach, or any comments/concerns please feel free to let us know.

Thank you,
FRC Team 2906
President Walker Ward